Troughton Rocks

Troughton Rocks are the group of rocks off the northwest extremity of Snow Island in the South Shetland Islands, Antarctica lying in an aquatory of 27 ha that is 315 m long in east-west direction and 120 m wide. The vicinity was visited by early 19th century sealers.
The feature is named after Edward Troughton, a British instrument maker who improved the theodolite design; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.

Location

Troughton Rocks are centred at, which is 2.7 km west-northwest of Byewater Point. British mapping in 1968.

Maps

Scale 1:200000 topographic map. DOS 610 Sheet W 62 60. Tolworth, UK, 1968
L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2010.
Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research. Since 1993, regularly upgraded and updated